Fang Jiashu in "The Stalker" is a fictional character written by a screenwriter and has no prototype. He represents the unsung hero of Qian Qian who died for his motherland during War of Resistance against Japanese Aggression's time. Without them, there would be no life now, and Fang Jiashu is just the epitome of a hero.

Fangjiashu is an underground party member, shouldering arduous tasks. He secretly lurks in No.76, the headquarters of Wang puppet secret service. Everyone here has their own plans. Fang Jiashu has escaped their temptation and then got the confidential documents of the organization. At the critical moment when Fang Jiashu's identity was about to be exposed, Tao Yuling appeared. She is Fang Jiashu's child bride, an underground party member.

Tao Yuling came to Fang Jiashu with two children to help him avoid being tracked. They play fake lovers and treat each other as guests. Every time Fangjiashu is in danger, Tao Yuling will appear in time, and they have established a profound revolutionary friendship.

Fang Jiashu also has a layer of identity as a military agent and a colleague with Su Yalu. Su Yalu loves Jiashu, and Fang Jia Tree puts all her energy into the task. He and Su Yalu take part in accidental amusement. In order to get information about coal refining, the tree had to get rid of Li. In short, he has many tasks, mainly to obtain useful information and interests for our party. Fang Jiashu switched back and forth between Scout and No.76, but no one thought that his real identity was * * *.

Huang Xiaoming plays a hidden receptionist.

Looking back at the beginning of the story of "The Stalker", Fang Jiashu still tried his best to win a chance for Comrade () under the high-pressure environment of severe interrogation for three days and three nights, completed the information handover, successfully protected important information and radio stations, and even hid his identity in many attempts by Li and others.

When Comrade Chao Hai (played by Shen Xiaohai) was arrested and sacrificed, the identity of the companion once again became the strategy for No.76 to test Fang Jiashu's heart. Fang Jiashu was relaxed on the surface, and dared to show his grief after returning to China, which made the audience see his sensitive and fragile side for the first time. Huang Xiaoming's infectious crying performance was also highly praised.

As the plot draws to a close, Lao Zhao is in crisis. Fang Jiashu prefers to rescue his comrades by taking the initiative to get shot and gain the trust of the enemy. As a result, he still fell short because of the cunning Ye Xingcheng (Wu). Fang Jiashu and Tao Yuling, who learned of Lao Zhao's death, fell to their knees in the hospital but were afraid to cry, causing various topics to tear the whole network.